which term of the AP 112,107,102,....is its first negative term?
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sonalmishra:
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a =112
d =-5
an =0
an =a+(n-1)d
0 =112 +(n-1)-5
112/5 =n-1
22 .4 =n-1
n =23.4
so 24 th term is first negative
d =-5
an =0
an =a+(n-1)d
0 =112 +(n-1)-5
112/5 =n-1
22 .4 =n-1
n =23.4
so 24 th term is first negative
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